a trip that has been organized for a particular purpose such as a scientific or military one or for exploration
![探险, 远征](https://api.langeek.co/v1/assets/flags/zh.png)
探险, 远征
![Google Translate](/assets/icons/google_translate.png)
to go for a long walk or journey, particularly in the mountains, forests, etc. as an adventure
![徒步旅行, 远足](https://api.langeek.co/v1/assets/flags/zh.png)
徒步旅行, 远足
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a structure built over a river, road, etc. that enables people or vehicles to go from one side to the other
![桥](https://api.langeek.co/v1/assets/flags/zh.png)
桥
![Google Translate](/assets/icons/google_translate.png)
a valley that is deep and has very steep sides, through which a river is flowing usually
![峡谷, 幽谷](https://api.langeek.co/v1/assets/flags/zh.png)
峡谷, 幽谷
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the scientific study of the physical features of the Earth and its atmosphere, divisions, products, population, etc.
![地理](https://api.langeek.co/v1/assets/flags/zh.png)
地理
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the main part of a continent or country that is connected to a larger landmass, excluding surrounding islands or territories
![大陆, 本土](https://api.langeek.co/v1/assets/flags/zh.png)
大陆, 本土
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a passage dug through or under a mountain or a structure, typically for cars, trains, people, etc.
![隧道](https://api.langeek.co/v1/assets/flags/zh.png)
隧道
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a state of being widely known or recognized, usually because of notable achievements, talents, or actions
![名声, 声誉](https://api.langeek.co/v1/assets/flags/zh.png)
名声, 声誉
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an activity in which someone jumps from a very high place with a rubber cord tied around their ankles
![蹦极跳, 蹦极](https://api.langeek.co/v1/assets/flags/zh.png)
蹦极跳, 蹦极
![Google Translate](/assets/icons/google_translate.png)
to invite someone to compete or strongly suggest they should do something, often to test their abilities or encourage action
![挑战, 邀请](https://api.langeek.co/v1/assets/flags/zh.png)
挑战, 邀请
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